11.1V Electric Tool Battery
The current product parameters, please help to view the product description | |||||
Type: | Lithium Ion battery | Dimension: | Customized | Standard Charging method : | CC-CV(constant voltage with limited current) |
Specification: | 2S2P 18650 | Nominal voltage: | 7.4V | Shape: | Rectangle shape Triangle shape |
Nominal capacity: | 4.4Ah | Max charge voltage: | 8.4V | Operating temperature : | Charging: 0 °C ~+45 °C Discharging: -20 °C ~+60 °C
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Weight: | Around 0.23kg | Charge current: | Standard Charging: 0.5C Rapid charge: 1.0C | Storage temperature: | -20°C~ 60°C |
Max. Discharge current: | 13.2A or according to customer requirement | Cycle life: | 500-1000 times according to customer use method |
1. Professional and rich experience in lithium ion battery.
2. Capacity and size can be customized, individual lithium ion battery can be assembled in parallel and series into stacks as required by customers.
3. Strong R&D team to support.
4. Provide A grade battery cells, 100% quality assurance.
5. Competitive price, good sale and after-sales services.
6. reply within 24 hours.
1. What’s your main equipment?
Capacity test machine, Automatic select machine, Automatic welding machine, Semi-Automatic welding machine, Print machine, Tangent machine, etc.
2.How many engineers and QC?
5 engineers( circuit engineer, structure engineer, R&D engineer(2), chief engineer), 6 QC(IQC(1), IPQC(2), OQC(1), BMS QC(2))
3. Where is your main market? Is there any big customer?
Europe and North America: 65%, other area:35%
Yes, but big customers informations is related to business secret, so can’t offer.
4. How about Automatic welding machine production volume?
Normally Automatic welding machine is used for bulk orders or big battery pack: 100 units/hour.
5. What’s your main products and hot selling products in your company?
Lithium ion battery pack; Electric bike battery; LiFePO4 battery; Li-polymer battery
6. What’s the capacity when battery is shipped out?
Capacity is 30% according to IATA(International air Transport Association) rule.
7. Can you print or paste label or package goods as our requirements?
Absolutely.
8. Are cells 100% tested?
Yes.
9. If bulk order, is there any discount for order?
Yes, of course
10. Does your battery dangerous to use?
First we use high quality Chinese cells or brand cells, all of our battery’s BMS have overcharge, over-discharge, over-current, short circuit to protect,so it’s very safe to use.